O'Sullivan Dam: Constructed 1947-1949 |
From inside the book
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... acres Total storage : 675,000 acre - feet at elevation 1052.0 ( spillway crest ) Irrigation storage : 569 , 000 acre - feet above Potholes East canal headworks gate sill ( EL . 1008.0 ) Maximum water surface : El . 1055.0 Minimum water ...
... acres Total storage : 675,000 acre - feet at elevation 1052.0 ( spillway crest ) Irrigation storage : 569 , 000 acre - feet above Potholes East canal headworks gate sill ( EL . 1008.0 ) Maximum water surface : El . 1055.0 Minimum water ...
Page 1
... acres to several sections and Government land was opened to homesteading in tracts of 160 acres or less . A series of wet years ( 1900-1906 ) , when rainfall was above normal , brought about an increase in the settlement activity which ...
... acres to several sections and Government land was opened to homesteading in tracts of 160 acres or less . A series of wet years ( 1900-1906 ) , when rainfall was above normal , brought about an increase in the settlement activity which ...
Page 2
... acres to a depth of 70 feet , is created by the construction of low dams at the inlet and outlet of the coulee . North Dam , at the inlet , is approximately 2 miles west of Grand Coulee Dam . This earth - fill structure has a height of ...
... acres to a depth of 70 feet , is created by the construction of low dams at the inlet and outlet of the coulee . North Dam , at the inlet , is approximately 2 miles west of Grand Coulee Dam . This earth - fill structure has a height of ...
Page 5
... acres . It extends westward , then around the north end of Soap Lake in a siphon 12 , 912 feet long which has a maximum static head of 236 feet . The pipe is of reinforced concrete , 25 feet in diameter , at the two ends where the ...
... acres . It extends westward , then around the north end of Soap Lake in a siphon 12 , 912 feet long which has a maximum static head of 236 feet . The pipe is of reinforced concrete , 25 feet in diameter , at the two ends where the ...
Page 6
... acres at the normal water surface elevation of 1052.0 . It has a total capacity of 675 , 000 acre - feet and a live storage capac- ity of 569,000 acre - feet . This is considered adequate for the ultimate development of about one million ...
... acres at the normal water surface elevation of 1052.0 . It has a total capacity of 675 , 000 acre - feet and a live storage capac- ity of 569,000 acre - feet . This is considered adequate for the ultimate development of about one million ...
Common terms and phrases
acre-feet APPENDIX approximately Assumed rock line Axis of dam axis station backfill basalt borrow area borrow pit bottom Bureau of Reclamation canal cement channel cobbles Columbia Basin project Compact silt concrete construction Crab Creek crossarm cubic feet cubic yards cutoff trench dam embankment discharge Drilling grout holes east Embankment settlement Excavation feet downstream feet per second Figure foundation Frenchman Hills gate chamber Grand Coulee Dam Gravelly sand grout cap high-pressure gate inches inlet irrigation Lake loam loam Sandy located loom miles moisture O'Sullivan Dam Oakum Order for Changes Piezometer placed placement portal Potholes Dam Potholes reservoir Quincy Basin riprap sand and gravel sand Sandy Sandy gravel Sandy loam SCALE OF FEET Sendy settlement installations shaft silt Silty loam Slope Soap Lake sond Sondy spillway steel pipe stilling basin suitable Surface settlement trashrack structure tubing tunnel lining U. S. Bureau upstream valve house zone 1 material
Popular passages
Page 1 - Culee on the Columbia River, about 92 miles, by highway, west of Spokane. The irrigable area of the Columbia Basin project is situated in the Big Bend country of Washington between the Snake and Columbia Rivers. The lands extend northward some 85 miles from the junction of the two rivers at Pasco on the southern edge.
Page 1 - ... The Public Service Electric and Gas Company of New Jersey has contracted with Offshore Power Systems to develop a pair of floating nuclear plants in the Atlantic Ocean, three miles off the New Jersey coast. The ocean here is about 40 feet deep. The plants are protected by an enormous breakwater 300 feet wide at the base and 30 feet wide at the top. The breakwater is designed to withstand winds, waves, and storms of much greater magnitude than have been observed in this location. Together, the...
Page 2 - ... 2,300 acres at the maximum water-surface elevation of 1,570, eliminates the necessity for a very expensive canal along the steep walls of the Grand Coulee and saves the loss of about 47 feet in the elevation of the water surface at the south end of the Coulee. It also allows a more efficient use of water for power development and irrigation by providing storage for water which can be pumped •when the supply in the river is ample, and in turn decreases the amount of power water required for...
Page 1 - ... will operate the dam; yes, sir. COLUMBIA BASIN PROJECT, WASHINGTON PROJECT DATA AUTHORIZATION Initially authorized by section 2, Rivers and Harbors Act of August 30, 1935 (49 Stat. 1028, 1039) ; authorized and reauthorized by Columbia Basin Project Act of March 10, 1943 (57 Stat. 14). LOCATION The project is located in the central part of the State of Washington, with its major feature, the Grand Coulee Dam, situated on the Columbia River approximately 95 miles west of Spokane, Wash. The project...
Page 38 - The slopes of the dam, which are faced, are 1 to 1 on the upstream, and 2 to 1 on the downstream side...
Page 54 - ... 25 Drilling grout holes in stage between depths of 0 foot and 35 feet 50,453.45 lin.